1. Adverse events following trigger point dry needling: a prospective survey of chartered physiotherapists;Brady;J Man Manip Ther,2014
2. Traumatic complications of acupuncture;Peuker;Arch Fam Med,1999
3. Safety of acupuncture: results of a prospective observational study with 229,230 patients and introduction of a medical information and consent form;Witt;Forsch Komplementmed,2009